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Article
Engineering, Chemical
Shengkun Jia et al.
Summary: This paper investigates the use of the renormalization group (RNG) method to eliminate small-scale turbulent components in turbulent mass transport and combine them into large-scale sources. The model constants obtained through experiment verification are reliable.
CHEMICAL ENGINEERING SCIENCE
(2022)
Article
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Umair Khan et al.
Summary: This research numerically investigates the 3D stagnation-point flow of a copper-aqueous titania hybrid nanofluid past a horizontal surface. The study examines the fluid flow dynamics and heat transfer features of the hybrid nanofluid using a Tiwari-Das model and non-Fourier heat flux. The results show that the hybrid nanoparticles reduce fluid motion while increasing temperature, and the thermal relaxation parameter decreases temperature.
Article
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Yang Liu et al.
Summary: This study proposes a novel particle SGS kinetic turbulent energy-granular temperature model to investigate particle hydrodynamics affected by particle diameters. The results show significant differences in vortex evolution and coherent structures between micro and larger size particles. Additionally, SGS particle collision leads to additional particle energy dissipation.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2022)
Article
Engineering, Environmental
Yang Liu et al.
Summary: The flow structures of non-swirling and swirling particle-laden turbulence are modeled using large eddy simulation. The interaction mechanism between gas and particles, particles and gas, and particle-particle collisions are revealed through a new proposed subgrid scale particle kinetic energy-granular temperature model. Numerical predictions of particle vortices, coherent structures, and dynamics are in good agreement with experimental measurements. The study highlights the differences in particle transport characteristics and turbulent fluctuations between non-swirling and swirling flows.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
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Article
Thermodynamics
Shafiq Ahmad et al.
Summary: The study focuses on the Cattaneo-Christov model with variable thermal relaxation time and entropy generation. It examines a micropolar fluid absorbing heat in the presence of mixed convection and partial slip, with the immersion of single-wall carbon nanotubes and multi-wall carbon nanotubes. The non-dimensional similarity transformation is used to convert the partial differential equations into nonlinear ordinary differential equations, which are then numerically solved using MATLAB's bvp4c.
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
(2021)
Article
Thermodynamics
Wang Fuzhang et al.
Summary: This article discusses the numerical analysis of two-dimensional viscous fluid in a modified square duct, studying the influence of Prandtl number and geometry on heat transfer of the working fluid in two cases. The results show a high dependence of heat transfer on Reynolds number and Prandtl number, with noticeable effects of the geometry of the problem on heat transfer.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2021)
Article
Energy & Fuels
Zhiwei Huang et al.
Summary: RYrhoCentralFoam is a hybrid Eulerian-Lagrangian solver developed based on OpenFOAM (R) for simulating detonative combustion in two-phase gas-liquid mixtures with high accuracy and diverse functionalities.
Article
Physics, Multidisciplinary
Noor Muhammad et al.
Summary: Dams serve as barriers to hold back and control river water flow, diverting it to other areas and raising water levels over a large area. The Mohmand Dam project in Pakistan aims to store water resources and generate electricity. Civil engineers use case studies and predictive models to ensure the safety and stability of dams.
EUROPEAN PHYSICAL JOURNAL PLUS
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Article
Physics, Multidisciplinary
Noor Muhammad
Summary: This article explains the simulation of non-Newtonian fluid using OpenFOAM, focusing on the flow around a cylinder. It presents the implementation of non-Newtonian power law equations and uses high-resolution mesh for simulation. The flow analysis is demonstrated through graphs and animated videos, showing the behavior of velocity field when fluid hits obstacles.
EUROPEAN PHYSICAL JOURNAL PLUS
(2021)
Article
Thermodynamics
Hassan Tahir et al.
Summary: This paper examines the impacts of various parameters on the magneto-thermomechanical coupling in a two-dimensional ferrofluid, finding that the interaction decelerates fluid particle movement, strengthens the skin friction coefficient, and reduces heat transfer rate. Additionally, the curvature parameter is shown to have an increasing effect on heat transfer rate in the boundary layer. Comparison with specific cases demonstrates excellent agreement with available results.
JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER
(2021)
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M. Kamran et al.
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PRAMANA-JOURNAL OF PHYSICS
(2020)
Review
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Stefan Heinz
PROGRESS IN AEROSPACE SCIENCES
(2020)
Article
Thermodynamics
Alpo Laitinen et al.
INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW
(2020)
Article
Mechanics
S. Kazemi et al.
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
(2018)
Article
Computer Science, Interdisciplinary Applications
Arun K. Saha
COMPUTERS & FLUIDS
(2013)
Article
Mechanics
Jacek Pozorski et al.
INTERNATIONAL JOURNAL OF MULTIPHASE FLOW
(2009)
